You need to measure the charging voltage right at the alternator if you
want to check the alternator. Otherwise you risk chasing wild geese. The
Bentley spec is for at the alternator. Typical is 13.7-14.2 volts.

Mark

Don Hanson wrote:
> .....  Did a one-man push start and drove
> around for half hour.  Starts right up again, but I put my multimeter
> across the vehicle main and it reads just 13.2v engine idling with no
> accessories on.  Pretty low, according to Bentley.  Would that be
> Reg/brushes ? in that time span and the use cycle?
>
> Is the test just to get some new brushes and stick em in, then check the
> battery input again?
>
> Thanks, Don H.
>